01.html

<!-- HTML		Body 
	 CSS		Beauty
	 JAVASCRIPT	Brain -->

<!--comment  shortcut ctrl+/ -->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- DOCTYPE html: Browser understands many languages but HTML is basic language understood by the web.
    Lang=en means english
    Meta tag is tag that gives info about data we write -->

<!--Description gives description of the website
    Keywords are used to match search engine inputs
    Robot ranks our website and follows the links given inside -->

    <meta name="description" content="This is description">
    <meta name="keywords" content="HTML,CSS,JS">
    <meta name="Robots" content="INDEX,FOLLOW">
    <title>Document</title>

    <!-- This is how you link css file -->
    <link rel="stylesheet" href="style.css">

    <!-- This is how you link Javascript file-->
    <script src="Demo.js"></script>
</head>

<body>
    Hello world
</body>

</html>